Germination of Arabidopsis thaliana seeds irradiated by MeV ions

QIN Huaili XUE Jianming LAI Jiangnan ZHANG Weiming WANG Jianyong YAN Sha ZHAO Weijiang WANG Yugang

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Germination of Arabidopsis thaliana seeds irradiated by MeV ions

更新时间：2021-03-12

- Germination of Arabidopsis thaliana seeds irradiated by MeV ions
- NUCLEAR TECHNIQUES Issue 9, (2005)
- 作者机构：
  
  1. 北京大学重离子物理教育部重点实验室
  2. 北京大学重离子物理教育部重点实验室北京1000871
- 作者简介：
- 基金信息：
  
  博士点基金(20030001085);国家自然基金(10435020)资助
- DOI：
  CLC： Q947.8
- Published：01 September 2005
- 稿件说明：
移动端阅览
[1]覃怀莉,薛建明,赖江南,张伟明,王建勇,颜莎,赵渭江,王宇钢.MeV离子辐照拟南芥的萌发规律研究[J].核技术,2005(09):675-677.

QIN Huaili XUE Jianming LAI Jiangnan ZHANG Weiming WANG Jianyong YAN Sha ZHAO Weijiang WANG Yugang. Germination of Arabidopsis thaliana seeds irradiated by MeV ions[J]. Nuclear techniques, 2005, (9): 675-677.
[1]覃怀莉,薛建明,赖江南,张伟明,王建勇,颜莎,赵渭江,王宇钢.MeV离子辐照拟南芥的萌发规律研究[J].核技术,2005(09):675-677. DOI：

QIN Huaili XUE Jianming LAI Jiangnan ZHANG Weiming WANG Jianyong YAN Sha ZHAO Weijiang WANG Yugang. Germination of Arabidopsis thaliana seeds irradiated by MeV ions[J]. Nuclear techniques, 2005, (9): 675-677. DOI：

摘要

利用不同能量的F离子和H离子分别辐照拟南芥干种子

通过种子发芽率实验研究了低能离子生物效应与离子种类、离子能量和辐照注量之间的关系。实验结果表明

H离子的辐照效率高于F离子;F离子辐照的种子发芽率曲线

随F离子注量的增加

均呈现先下降后升高再下降的马鞍曲线形状

达到马鞍峰值需要的注量随离子能量的增加而减少。文中对上述现象的可能机理进行了讨论。

Abstract

Dry seeds of Arabidopsis thaliana were irradiated with F ions and H ions with the energy range from keV to MeV

respectively. The inhibition of germination was investigated to display the influences of ion mass

energy and fluence. The results show that H ion irradiation is more effective in decreasing the germination rate than heavier F ion irradiation. After irradiation of F ions

a decrease-increase-decease type of germination rate-fluence response curve was found and the ion fluence at the peak position decreases with ion energy increase. The possible mechanism of above experimental results is discussed in this paper.

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